---
id: 641cdf57c3f7ee276e1d9b32
title: Passo 5
challengeType: 0
dashedName: step-5
---

# --description--

Back in your event listener, you need to update the text of the `result` element. You can use a `ternary` operator to achieve this task.

Here is an example of assigning the result of a ternary operator to an element's text content:

```js
el.textContent = condition ? "Use this text if the condition is true" : "Use this text if the condition is false";
```

After the `if` statement, use a ternary operator to check the truthiness of calling `isSpam()` with `messageInput.value` as the argument. If true, set the `textContent` property on the `result` element to `Oh no! This looks like a spam message.`. Otherwise, set it to `This message does not seem to contain any spam.`

Then set the `messageInput` element's `value` property to an empty string.

# --hints--

Você deve usar o operador da atribuição para definir a propriedade `textContent` do elemento `result`.

```js
assert.match(code, /checkMessageButton\.addEventListener\(\s*('|"|`)click\1\s*,\s*\(\s*\)\s*=>\s*\{\s*if\s*\(\s*messageInput\.value\s*===\s*('|"|`)\2\s*\)\s*\{\s*alert\(\s*('|"|`)Please enter a message\.\3\s*\)\s*;?\s*return\s*;?\s*\}\s*result\.textContent\s*\=\s*/)
```

You should call the `isSpam()` function after the assignment operator `=` and before the `?` ternary operator.

```js
assert.match(code, /checkMessageButton\.addEventListener\(\s*('|"|`)click\1\s*,\s*\(\s*\)\s*=>\s*\{\s*if\s*\(\s*messageInput\.value\s*===\s*('|"|`)\2\s*\)\s*\{\s*alert\(\s*('|"|`)Please enter a message\.\3\s*\)\s*;?\s*return\s*;?\s*\}\s*result\.textContent\s*\=\s*isSpam\(.*\)\s*\?/)
```

Você deve usar a sintaxe de operador ternário para verificar se `isSpam(messageInput.value)` é verdadeiro.

```js
assert.match(code, /checkMessageButton\.addEventListener\(\s*('|"|`)click\1\s*,\s*\(\s*\)\s*=>\s*\{\s*if\s*\(\s*messageInput\.value\s*===\s*('|"|`)\2\s*\)\s*\{\s*alert\(\s*('|"|`)Please enter a message\.\3\s*\)\s*;?\s*return\s*;?\s*\}\s*result\.textContent\s*\=\s*isSpam\(\s*messageInput\.value\s*\)\s*\?/)
```

A expressão verdadeira do operador ternário deve definir a propriedade `textContent` do elemento `result` como `Oh no! This looks like a spam message.`.

```js
assert.match(code, /checkMessageButton\.addEventListener\(\s*('|"|`)click\1\s*,\s*\(\s*\)\s*=>\s*\{\s*if\s*\(\s*messageInput\.value\s*===\s*('|"|`)\2\s*\)\s*\{\s*alert\(\s*('|"|`)Please enter a message\.\3\s*\)\s*;?\s*return\s*;?\s*\}\s*result\.textContent\s*\=\s*isSpam\(\s*messageInput\.value\s*\)\s*\?\s*('|"|`)Oh no! This looks like a spam message.\4\s*:/);
```

A expressão falsa do operador ternário deve definir a propriedade `textContent` do elemento `result` como `This message does not seem to contain any spam.`.

```js
assert.match(code, /checkMessageButton\.addEventListener\(\s*('|"|`)click\1\s*,\s*\(\s*\)\s*=>\s*\{\s*if\s*\(\s*messageInput\.value\s*===\s*('|"|`)\2\s*\)\s*\{\s*alert\(\s*('|"|`)Please enter a message\.\3\s*\)\s*;?\s*return\s*;?\s*\}\s*result\.textContent\s*\=\s*isSpam\(\s*messageInput\.value\s*\)\s*\?\s*('|"|`)Oh no! This looks like a spam message.\4\s*:\s*('|"|`)This message does not seem to contain any spam.\5\s*;?\s*/);
```

After your ternary, set the `value` property on the `messageInput` element to an empty string.

```js
assert.match(code, /checkMessageButton\.addEventListener\(\s*('|"|`)click\1\s*,\s*\(\s*\)\s*=>\s*\{\s*if\s*\(\s*messageInput\.value\s*===\s*('|"|`)\2\s*\)\s*\{\s*alert\(\s*('|"|`)Please enter a message\.\3\s*\)\s*;?\s*return\s*;?\s*\}\s*result\.textContent\s*\=\s*isSpam\(\s*messageInput\.value\s*\)\s*\?\s*('|"|`)Oh no! This looks like a spam message.\4\s*:\s*('|"|`)This message does not seem to contain any spam.\5\s*;?\s*messageInput\.value\s*=\s*('|"|`)\6\s*;?\s*\}/)
```

# --seed--

## --seed-contents--

```html
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width" />
    <title>Learn Regular Expressions by Building a Spam Filter</title>
    <link rel="stylesheet" href="styles.css" />
  </head>

  <body>
    <header class="main-text">
      <h1 class="title">Is this Spam?</h1>
      <p class="description">
        Enter a phrase to check if it would be marked as spam or not.
      </p>
    </header>

    <main>
      <label class="message-label" for="message-input">Message: </label>
      <textarea
        placeholder="Enter message here"
        value=""
        type="text"
        name="message"
        id="message-input"
        rows="10"
        cols="40"
      ></textarea>
      <button class="btn" id="check-message-btn" type="button">
        Check message
      </button>
      <p id="result"></p>
    </main>

    <footer class="footer">&copy; freeCodeCamp</footer>
    <script src="./script.js"></script>
  </body>
</html>
```

```css
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --dark-grey: #1b1b32;
  --light-grey: #f5f6f7;
  --golden-yellow: #fecc4c;
  --yellow: #ffcc4c;
  --gold: #feac32;
  --orange: #ffac33;
  --dark-orange: #f89808;
}

body {
  background-color: var(--dark-grey);
  color: var(--light-grey);
}

body,
#message-input:placeholder-shown {
  text-align: center;
}

textarea {
  max-width: 90%;
}

.main-text {
  margin: 25px 0;
}

.title {
  font-size: 2.5rem;
}

.description {
  margin-top: 15px;
  font-size: 1.4rem;
}

.message-label {
  display: block;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

#message-input:placeholder-shown,
textarea {
  font-size: 1.1rem;
}

.btn {
  display: block;
  cursor: pointer;
  width: 200px;
  margin: 10px auto;
  color: var(--dark-grey);
  background-color: var(--gold);
  background-image: linear-gradient(var(--golden-yellow), var(--orange));
  border-color: var(--gold);
  border-width: 3px;
}

.btn:hover {
  background-image: linear-gradient(var(--yellow), var(--dark-orange));
}

#result {
  font-size: 2rem;
  margin: 20px 0;
}

.footer {
  margin-top: 10px;
}
```

```js
const messageInput = document.getElementById("message-input");
const result = document.getElementById("result");
const checkMessageButton = document.getElementById("check-message-btn");

const isSpam = (msg) => false;

--fcc-editable-region--
checkMessageButton.addEventListener("click", () => {
  if (messageInput.value === "") {
    alert("Please enter a message.");
    return;
  }


});
--fcc-editable-region--
```
